Air-power water pump



May 1, 1923. 1,453,486

J. A` AEBLY y AIR POWER WATER PUMP Filed April 8'. 1921 Patented May 1, 1923.

JACOB A. AEBLY, OF WEST CONCORD, MINNSOT-A.

AIR-POWER WATER PUMP.l

Application led April 8,

T 0 all who/m, t 'may concern.'

Be it known that I, JAoon A; AnLY, a citizen of the United States, residing at West Concord, in the county` of Dodge and State of yMinnesota, have invented certain new and useful Improvements in Air-Power Water Pumps; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to whichit appertains to make and use the same. i

This invention relates to aliquid pumpl and especially to such a pump which is designed to be operated by compressed air.

lt is an object of this invention to provide such a pump having water inlet and outlet valved passages, an air exhaust valve and an air inlet valve, the latter mentioned valves being operated entirely by floats and without the use of springs'or thefaid of compressed air.

It is a further object of the invention to provide such a pump in which there are no small bleed or drain holes.

These and other objects and advantages of the invention will be apparent from the following description made in connection with the accompanying drawings in which like reference characters refer to the same parts throughout the different views, and in which- Fig. 1 is a longitudinal vertical section through the pump cylinder and other parts of the device;

Fig. 2 is a section taken on the line 2-2 of Fig. 1, looking in the direction of the ar.-

rows;

Fig. 3 is a section taken on the line 3-3 of Fig. 1, looking in the direction of the arrows; and

Fig. 4 is a partial transverse section of one of the floats.

Referring to the drawings, the pump com-` prises a cylinder 1 and the cylinder heads 2 and 3 located respectively at the top and bottom thereof. The cylinder and heads are united by a pair of spaced tie rods 1 extending therethrough adjacent the sides thereof and equipped with tightening nuts at their threaded ends which project outside of the heads 2 and 3. The bottom cylinder head 3 has a depending portion 3EL forming a cylindrical chamber. the w'alls of which contain spaced apertures for the entrance of water, and said portion is surrounded by a screen 3b. A central upsta-nd- 1921. seriai No. 459,557.

ing portion in this chamber is bored to form aV guide for the stema of thefwater inlet valve 5, the lower outer edge of which is provided with a suitable washer or gasket and seats on a short' upstanding flange extending from memberl 3.

l The head 2.is of plate form and `has upstanding from its'upper side,.three bosses 2a, 2b, 2c, which are aperture'd to form, respectively the air exhaust passa-ge, a water outlet passage and the air inlet passage. The boss 2a has an aperturedflug projecting from one side thereofand receiving the stem of an'air exhaustvalve 6 which is provided with a suitable washer or gasket seating against a short narrow flange dependingfrom the inner side of the head 2. The boss 2P will be provided with a check valve ofv any standard construction, such as vshown invFig; 1 and this boss has extending from its inner side a water pi e or conduit 7 which has its lower open end disposed relativelynear the bottom of the cylinder.l The boss 2 has a small open` ing 2d extending from its lower portion through the head 2 and this passagey is formed withva conical enlargement to form a seat for the airy inlet. valve 8'. v

The head 2 has depending from its under to form pivots for the arms of a bifurcated` member 12, from the central portion of the underside of which a tongue 13 depends having pins 14 extending a short distance from either side of its outerl end, the tongue 13 being rigidly'secured to the member 12. j

The exhaust valve 6 is pivotedbetween the arms of the member 12 by the pivot pins 11. The lever 10 is formed with a vertically extending groove at its rear end and the valve 8 is disposed therein and pivoted to the side of the groove by a suitable pivot pin 8a. The ends of the bifurcations of members 12, aline 'with and are adapted to engage with adjustable screws 12a in spaced lugs 12b depending from head 2. u

A pair of float guiding rods 15 extend throughout the length of the cylinder lin front of the `tiev rods 4 and a pair of ,float members 16 and. 17 of bi-cuspidshape are provided with grooves at each side thereof loosely engaging said rods for vertical. sliding movement thereon, The fioat 16 is provit ed with spaced upstanding lugs 18 which are provided at their upper ends with a. narrow pla-te 18a. The rear end of member 12 is bifurcated and traversed by a pin to which is pivotally hung a bar 19 which depends therefrom a considerable distance toward the bottom of the cylinder, and an arm 20 is fixedly secured to this bar at its lower end and projects forwardly to a cylindrical bearing formed on its front end, which receives a rod21. This rod 21 is formed at its upper portion with a flat head engaging the top ofl bracket 20 and extends downwardly through a central aperture formed in floatl( and is threaded at its lower end to receive a retaining nut which is disposed in a cylindrical recess in the lower end of said float. An elastic or resilient collar 22 is pinned to the rod 21 adjacent the bearing 20. fr curved baille plate 23 is secured at its ends to the tie bars 4, the ends thereof being bent around the tie bars and riveted or otherwise secured together. This baflie plate extends in substantially parallel relation to the sides of the float and also extends for a considerable distance throughout the intermediate length of the cylinder. rllhe float 16 is provided with upwardly extending members 24 which, when the float is sufficiently raised, are adapted to contact with the undersides of the arms 10a of the lever '10.

The boss 2c will, of course be connected by any suitable connection to the supply of compressed air. The boss 2b will be connected to the water supply conduit to which it is intended to deliver the water while the boss 2c will receive any suitable connection leading to the outside air or forming a suitable covering and protection therefor.

The operation of the device is` as follows:

The cylinder will be submerged in the well or in the liquid which it is desired to pump. Assuming the pump is used as a water pump, the water will enter the cylinder through the openings in the lower head 3 and will rise therein filling the cylinder, it being assumed that the exhaust valve 6 is now open. ylhe water will rst raise the float 17, and this rising will, in turn, raise the bar 19 which will move the rear end of member 12 upwardly. At this timel the lever 10 is swung down about the pivots 9 and is held in this position by the weighted arms 10a. When the water rises suiiiciently the float .16 will be raised and will come in contact with the lower end of the tongue 13. The members 24 on the float will now engage the underside of arms '10a and lift the lever 10. As this lever is lifted, to the position shown in full lines in Fig. 1, the pins 14 on finger 13 will move under the plates 18a so that the said.

plates are disposed centrally over said pins.

When the lever 10 is raised to its upper posi tion, as shown in Fig. 1, the air exhaust valve 6 will be moved against its seat and the rear end of the lever swung downand air inlet valve 8 will be lowered from its seat. the entrance of water into the cylinder will be substantially checked and the compressed air entering through the inlet valve opening 2l will force the water in the cylinder out through the pipe 7, the valve 5 being forced against its seat.

As the water is forced out of the cylinder' the float 16 will tend to descend, but owing to the engagement of the pins 18 with the plate 18a, said float will be temporarily suspended on the finger or arm 13. The water continuing to leave the cylinder the float 1? will descend and carry with it the bar 19. As this bar is pulled downward it will swing the member 12 relatively to the lever 10 about the pivot pins 11 and the arms 13 will be moved forwardly bringing the pins 14 out of alinement with the plate 18a. The ends of members 12 will then engage screws 12a. This willrelease the float 16 and the same will quickly drop and will strike the head of the rod 21. This engagement will insure that the bar 19 moves to its lowest position and will also swing down the lever 10, this movement being assisted by the weighted arms 10a. Vhen the lever 10 swings downwardly the exhaust valve 6 is open and the air inlet valve 8 is closed. The pressure of the water will now open the valve 5 and the cylinder will refill and the described operation will be repeated.

The baiiie plate 23 is provided to insure the even filling of the cylinder and is so located that it retards theupward movement of the float 16 insuring that the cylinder will entirely fill so that the floats will be properly operated.

From the above description it is seen that applicant has provided a simple and efficient pump. The air valves thereof are operated entirely by floats and without the use of springs and without the use of the compressed air used to discharge the water. The elimination of the springs removes very frequent cause of trouble and inoperativeness and since it is not necessary to use any of the compressed air for valve operation, such air is conserved and the pump is therefore more economical of the compressed air. It will also be noted that, unlike manyvof the pumps of the prior art, no small bleed or drain holes are required in the cylinder or in any of the valve openings. The elimination of such holes also doesaway with one of the great objections to this type of pump. ln practice, the float 16 will be somewhat shorter in length than the float 17.` Une commercial size of the pump has the length of the cylinder between the heads fortyfour .inches with the upper lioat seven l/Vhen the air exhaust valve is closed,

inches long and the lower float eleven inches long.' lt will be understood, however, that the invention is not in anyway limited to any particular size but may be made in any size desired.

Itis also desired to point out that 4the pump has only two outside openings, one for the airv exhaust :and the other for thewater inlet and the exhaust valve is operated entireljy' bythe iioat and requires no auxiliary operating valve. The pump also has few parts for adjustment and when. once installed for operation, has. practically no tendency to become disarranged orinoperative.

yThe` pump will preferably. be equippedy valve therefor, an air exhaust valve and an 1 air inlet valve, and means for operating said air exhaust and inlet valves comprising water operated floats and connections therefrom to said valves and a weighted lever pivoted to the air exhaust valve.

2. A pump of the class described having in combination, a cylinder, upper and lower heads therefor, an air exhaust valve and an airinlet valve disposed in the upper head, a pivoted lever comprising spaced weighted arms between which the exhaust valve is pivoted and to which the airinlet valve is pivoted, said valves being disposed on opposite sides of the lever pivot.

8. yA pump of the class described having in combination, a cylinder having upper and lower heads, a lever pivoted to the underside of the upper cylinder head, said pivot being` disposed adjacent one end of the lever, said lever comprising spaced weighted-arms extending from said pivot, an exhaust valve pivoted between said arms and co-operating with the yseat carried in said head, an

air inlet valve pivoted to the other end of said lever and co-operating with the seat in said head, and a oat member in said cylinder having means lto contact with said arms of the lever tooperate the said valves.

4. A pump of the class described having in combination, a cylinder, upper and lower heads therefor, aniair exhaust valve located adjacent the upper head, and an air inlet valve located adjacent the vupper head, a lever pivoted adj acentone of its ends to the upper head to one end of which the air theother?` end of saidsupplemental lever,

and a float connected to saidrod.

5. The. structure set forth 1in claim` 4,.

said supplement-al leverf having an arm depending therefrom, afloat disposed above said. first mentioned oat yhaving means thereon adapted to be engaged vby said arm depending `from the supplemental lever..A

6. A pump of the class described having in combination, a cylinder provided with upper and lo-wer hea-ds, a lever pivoted adjacent one of its ends below the upper head, an air inlet Vvalve connected to the short end of said lever, an vair exhaust valvefconnected=to the other end of said lever, an auxiliary member pivoted. intermediate its ends' tofsaid'lever, a float connected tol one end of saidj1member,'the other end of said to the other end of said lever, a pair of float members for loperating said lever, means on said lever for temporarily holdloo` ing one of said floats suspended, and means operated by the other float to drop said first mentioned float to open the air exhaust valve.

and close .the air inlet valve.

9. A pump of the class described having in combination, a cylinder provided with'upper and lower heads, a'lever pivoted adjacent one of its ends below the upper heads,

an air inlet valve connected to thev short end of said lever, an air exhaust valve connected to the other end of said lever, a member pivoted to said lever, a float, means connecting said float to said member, and a second float adapted to be engaged by said member and temporarily suspended thereby, said member being operated `by said first mentioned float to drop the said second lfloat 10. The structure `setforth in claim 9, the 9 second lioat being arranged to drop onto said means to operate the said lever to open the exhaust valve and close the air inlet valve.- Y

1l. A pump of the class described having incombination, a cylinder, upper and lower heads therefor, an air exhaust valve and an air inlet valve disposed inthe upper head,

a pivoted Weighted lever towhich the eX- haust valve is pivoted and to which the air inlet valve is pivot'ed,' said valves being disposed on opposite sides of the lever fulcrum.

12. A pump'of the class described having in combination a cylinder provided With upper and lower heads, a levez` pivoted adjacent .one of the heads belovvv the upper head, an air inlet valve connected to the short lend of said lever, an air exhaust valve connected to the other end of said lever, an auxiliary member pivoted intermediate its ends to said lever, a lower float and an upper float, means connected adjacent one end of said auxiliary member and extending;,dovvn- Wardly in the cylinder and adapted to be operated by said lower float, and means on said upper float adapted to engage and operate said lever.

13. A pump of the class described having in. Vcombination a cylinder having air inlet and exhaust openings in one end thereof, valves for controlling said openings, means for controlling said valves, comprising a Weighted biiurcated lever arm, a float permanently connected to said lever arm, and a float adapted to be temporarily conneeted to said lever arm member.

14. rlhe structure set forth in claim 13, said lever arm adapted to disengage said last mentioned float Whereby the same Will drop and insure the descent of the rst men tioned float.

15. A pump of the class described having in combination a cylinder having compressed air and exhaust openings thereinto, valves for controlling` said openings, and means for operating said valves comprising a Weighted bifurcated lever arm, two floats, one permanently connected to said lever arm to move with the liquid in said cylinder and the other adapted to bev temporarily held above said liquid and then dropped.

In testimony Whereofl afiix my signature in presence of tWo Witnesses.

' JACOBvA. AEBLY.

Witnesses:

WV. T. SCHMIDT, R. C. JONES. 

